<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		<iframe src="demo01.html" width="100%" height="150px"></iframe>
		<iframe src="./demo10.html" width="20%" height="600px" style="float: left;"></iframe>
        <iframe src="demo02.html" width="78%" height=500px""></iframe>	
	</body>
</html>